Service bulletins for the 2015 Chrysler 300
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
360 on file from NHTSA, as of 2026-10-19.
About B1474 on the 2015 Chrysler 300: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: B1474 are shown. Show all
| 08-050-15 REV. A | 2022-08-08. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Flash: Poor Audio Sound Quality This bulletin involves updating the Amplifier (AMP) software. The customer may describe one or more of the following symptoms/conditions: ? Speakers not loud enough. ? Speakers Buzz/Rattle. ? Poor Sound Quality from Speakers. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? B1474-13-Channel 5 Audio Speaker Output - Circuit Open ? B1479-13-Channel 6 Audio Speaker Output - Circuit Open |
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| 08-050-15 REV. A | 2022-07-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL:AUX AUDIO JACK/PLUG. Flash: Poor Audio Sound Quality This bulletin involves updating the Amplifier (AMP) software. The customer may describe one or more of the following symptoms/conditions: ? Speakers not loud enough. ? Speakers Buzz/Rattle. ? Poor Sound Quality from Speakers. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? B1474-13-Channel 5 Audio Speaker Output - Circuit Open ? B1479-13-Channel 6 Audio Speaker Output - Circuit Open |
| 08-050-15 REV-A | 2018-12-17. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Flash: Poor Audio Sound Quality This bulletin involves updating the Amplifier (AMP) software. The customer may describe one or more of the following symptoms/conditions: ? Speakers not loud enough. ? Speakers Buzz/Rattle. ? Poor Sound Quality from Speakers. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? B1474-13-Channel 5 Audio Speaker Output - Circuit Open ? B1479-13-Channel 6 Audio Speaker Output - Circuit Open |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.